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57151005107 = 722359984659
BaseRepresentation
bin110101001110011101…
…110010000110110011
312110111221200212110212
4311032131302012303
51414021124130412
642131012214335
74062153346100
oct651635620663
9173457625425
1057151005107
1122268286029
12b0ab90a3ab
13550a4371b1
142aa2357aa7
15174758b222
hexd4e7721b3

57151005107 has 24 divisors (see below), whose sum is σ = 69488928000. Its totient is φ = 46777947216.

The previous prime is 57151005053. The next prime is 57151005133. The reversal of 57151005107 is 70150015175.

It is a happy number.

It is not a de Polignac number, because 57151005107 - 28 = 57151004851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57151005187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 632744 + ... + 717402.

It is an arithmetic number, because the mean of its divisors is an integer number (2895372000).

Almost surely, 257151005107 is an apocalyptic number.

57151005107 is a deficient number, since it is larger than the sum of its proper divisors (12337922893).

57151005107 is a wasteful number, since it uses less digits than its factorization.

57151005107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85295 (or 85288 counting only the distinct ones).

The product of its (nonzero) digits is 6125, while the sum is 32.

The spelling of 57151005107 in words is "fifty-seven billion, one hundred fifty-one million, five thousand, one hundred seven".

Divisors: 1 7 23 49 161 599 1127 4193 13777 29351 84659 96439 592613 675073 1947157 4148291 13630099 50710741 95410693 354975187 1166347043 2484826309 8164429301 57151005107